https://bugs.winehq.org/show_bug.cgi?id=45008
--- Comment #2 from Stephan Herrmann stephan.herrmann@berlin.de --- To double-check I de-installed wine 3.0, and installed the version that goes with Kubuntu 16.04 (wine 1.6.2) re-installed Capella and it runs fine - so far.
Ergo it's not a problem of this machine, but indeed a regression between wine 1.6.2 and 3.0